Home / 148,420.70-204,784.90-88,006.20

Finding the Fourth Proportional to 148,420.70, 204,784.90 and 88,006.20

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Solution

The fourth proportional to 148,420.70, 204,784.90 and 88,006.20 is: 121,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,420.70 : 204,784.90 = 88,006.20 : x
  2. Step 2: Convert to fraction form
    148,420.70/204,784.90 = 88,006.20/x
  3. Step 3: Cross multiply
    148,420.70x = 204,784.90 × 88,006.20
  4. Step 4: Simplify right side
    148,420.70x = 18,022,340,866.38
  5. Step 5: Solve for x
    x = 18,022,340,866.38/148,420.70
  6. Step 6: Final answer
    x = 121,427.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.